Spike



FIG. 1 is a perspective view of a spike showing our new design in a position of use;

FIG. 2 is a cross-section thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view taken along with line A--A in FIG. 3; and,

FIG. 9 is a perspective view thereof.

The broken line showing of a shoe in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a spike, as shown and described. 